Re: [PATCH 00/23] KAISER: unmap most of the kernel from userspace page tables

On Wed, 1 Nov 2017, Ingo Molnar wrote:> Beyond the inevitable cavalcade of (solvable) problems that will pop up during > review, one major item I'd like to see addressed is runtime configurability: it > should be possible to switch between a CR3-flushing and a regular syscall and page > table model on the admin level, without restarting the kernel and apps. Distros > really, really don't want to double the number of kernel variants they have.

And this removes the !PARAVIRT dependency as well because when the kerneldetects xen_pv() then it simply disables kaiser and all works.